Finding the Fourth Proportional to 239,758.99, 330,866.74 and 132,328.28
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Solution
The fourth proportional to 239,758.99, 330,866.74 and 132,328.28 is: 182,612.66
Step by Step Solution
- Step 1: Write the proportion equation
239,758.99 : 330,866.74 = 132,328.28 : x - Step 2: Convert to fraction form
239,758.99/330,866.74 = 132,328.28/x - Step 3: Cross multiply
239,758.99x = 330,866.74 × 132,328.28 - Step 4: Simplify right side
239,758.99x = 43,783,027,605.98 - Step 5: Solve for x
x = 43,783,027,605.98/239,758.99 - Step 6: Final answer
x = 182,612.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.